Home / 28,220.28-42,124.35-26,164.50

Finding the Fourth Proportional to 28,220.28, 42,124.35 and 26,164.50

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Solution

The fourth proportional to 28,220.28, 42,124.35 and 26,164.50 is: 39,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,220.28 : 42,124.35 = 26,164.50 : x
  2. Step 2: Convert to fraction form
    28,220.28/42,124.35 = 26,164.50/x
  3. Step 3: Cross multiply
    28,220.28x = 42,124.35 × 26,164.50
  4. Step 4: Simplify right side
    28,220.28x = 1,102,162,555.58
  5. Step 5: Solve for x
    x = 1,102,162,555.58/28,220.28
  6. Step 6: Final answer
    x = 39,055.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.